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9b9a7143c4
Symbol lookup by cf_find_symbol() not only did the lookup but also added new void symbols allocated from cfg_mem linpool, which gets broken when lookups are done outside of config parsing, which may lead to crashes during reconfiguration. The patch separates lookup-only cf_find_symbol() and config-modifying cf_get_symbol(), while the later is called only during parsing. Also new_config and cfg_mem global variables are NULLed outside of parsing.
BIRD Internet Routing Daemon
(c) 1998--2008 Martin Mares <mj@ucw.cz>
(c) 1998--2000 Pavel Machek <pavel@ucw.cz>
(c) 1998--2008 Ondrej Filip <feela@network.cz>
(c) 2009--2013 CZ.NIC z.s.p.o.
================================================================================
The BIRD project is an attempt to create a routing daemon running on UNIX-like
systems (but not necessarily limited to them) with full support of all modern
routing protocols, easy to use configuration interface and powerful route
filtering language.
If you want to help us debugging, enhancing and porting BIRD or just lurk
around to see what's going to develop from this strange creature, feel free
to subscribe to the BIRD users mailing list (bird-users@bird.network.cz),
send subscribes to majordomo at the same machine). Bug reports, suggestions,
feature requests (: and code :) are welcome.
You can download the latest version from ftp://bird.network.cz/pub/bird/
and look at the BIRD home page at http://bird.network.cz/.
BIRD development started as a student project at the Faculty of Math
and Physics, Charles University, Prague, Czech Republic under supervision
of RNDr. Libor Forst <forst@cuni.cz>. BIRD has been developed and supported
by CZ.NIC z.s.p.o. http://www.nic.cz/ since 2009.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
How to install BIRD:
./configure
make
make install
vi /usr/local/etc/bird.conf
Online documentation is available as HTML files in the doc directory,
you can install it by `make install-docs' and rebuild it by `make docs',
but for the latter you need SGMLtools and LaTeX to be installed on your
machine. You can also download a neatly formatted PostScript version
as a separate archive (bird-doc-*.tar.gz).
What do we support:
o Both IPv4 and IPv6 (use --enable-ipv6 when configuring)
o Multiple routing tables
o BGP
o RIP
o OSPF
o Static routes
o Inter-table protocol
o IPv6 router advertisements
o Bidirectional Forwarding Detection (BFD)
o Command-line interface (using the `birdc' client; to get
some help, just press `?')
o Soft reconfiguration -- no online commands for changing the
configuration in very limited ways, just edit the configuration
file and issue a `configure' command or send SIGHUP and BIRD
will start using the new configuration, possibly restarting
protocols affected by the configuration changes.
o Powerful language for route filtering (see doc/bird.conf.example).
What is missing:
o See the TODO list
Good Luck and enjoy the BIRD :)
The BIRD Team